Xander UI Framework is a library control (c# ui framework), animations and many other controls and features to C# for Windows Forms Application that helps you design an awesome UI.
First, You need download xander ui framework (xander ui dll) : Link
After you finish downloading the file, you need to unzip it.
Right-click on the toolbox on the right, then select Add tab. You can enter your tab name is Xander UI Framework as shown below.
Next, Right-click on the Xander UI Framework tab, then select Choose Items => Browse to the Xander UI Framework library that you downloaded.
Select the XanderUI.dll, then click Open button to continue.
Click Yes to continue
Click OK to finish.
Now you can see the Xander UI controls in your Visual Studio Toolbox.
Open your form designer, then you can drag some controls from the UI Framework Tab to your winform. You can easily use the Xander UI with c# winform ui design.
As you can see, this library supports many controls. There are still a lot of bugs, I don't recommend using it in commercial applications.